5-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-methanol
5-Cyano-4-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid